我正在开发一个音频流媒体,并声明了一个中断侦听器,以在发生中断(例如来电或短信)时保存歌曲的状态。
这是相关代码
在我的 AppDelegate 中,我有这个
AudioSessionInitialize (NULL, NULL, interruptionListenerCallback, self);
AudioSessionSetActive(YES);
这就是中断监听器的样子
void interruptionListenerCallback (void *inUserData, UInt32 interruptionState) {
// This callback, being outside the implementation block, needs a reference
//to the AudioPlayer object
MyPlayer *player = (MyPlayer *)inUserData;
if (interruptionState == kAudioSessionBeginInterruption) {
if ([player audioStreamer]) {
// if currently playing, pause
[player pausePlayback];
player.interruptedOnPlayback = YES;
}
} else if ((interruptionState == kAudioSessionEndInterruption) && player.interruptedOnPlayback) {
// if the interruption was removed, and the app had been playing, resume playback
[player resumePlayback];
player.interruptedOnPlayback = NO;
}
}
当我接到电话时,会调用中断侦听器,如果用户拒绝接听电话,还会调用播放恢复方法。但在调用resumePlayback方法之前,我在AudioQueueEnqueueBuffer的控制台中收到此错误
error: tca!错误整数:560030580
有谁知道如何在流式传输音频文件时正确处理音频中断。
Thanks.
此链接显示了问题所在。可能会帮助某人。
https://devforums.apple.com/message/31758#31758 https://devforums.apple.com/message/31758#31758
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